Search results
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Using mark-recapture and catch-age data to estimate fishing and natural mortality for the Patagonian toothfish at South Georgia
natural mortality, and integrates catch-at-age data into the estimation model, to aid in distinguishing ... analysed with the model. The ages covered by the analysed cohorts ranged from 5 to 13. In the model runs ... be lower than those estimated in previous stock assessments using both mark-recapture and catch data ... . There was additionally some suggestion of agestructure in the natural mortality-at-age. Author(s): R.M ...
Meeting Document : WG-FSA-SAM-06/06 : Author(s): R.M. Hillary and D.J. Agnew (United Kingdom)
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Potential VMEs around Elephant and the South Shetland Islands (Subarea 48.1)
in the South Shetland Islands area. High biomass densities of VME indicator taxa, meeting the 10 kg ... new ‘diversity threshold’ is proposed in order to protect those VME taxa that do not occur in the ... Appendix II listed Antipatharia (black coral), which in the authors’ experience has never occurred at a ...
Meeting Document : WG-EMM-12/51 : Author(s): S.J. Lockhart (USA), N. Wilson (Australia) and E. Lazo-Wasem (USA)
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Preliminary report on krill survey off the coast of East Antarctica (Enderby Land to Prydz Bay) February-March 2015
mammals in East Antarctica. The small scale variability of prey in key foraging locations near to land ... -based colonies of penguins and flying seabirds in East Antarctica. Feasibility and potential of ... better understand the ecosystem in the region. The survey completed 5 acoustic box surveys including a ...
Meeting Document : WG-EMM-15/22 : Author(s): S. Kawaguchi, A. Constable, L. Emmerson, C. Southwell, R. King, K. Westwood and K. Swadling (Australia)
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A proposal for streamlining the work of the Scientific Committee for the Conservation of Antarctic Marine Living Resources
in the two working groups and subgroups. There is also a need to give time to emerging issues for ... which there is insufficient time at present in the existing working groups, such as consideration of ... marine protected areas in a CCAMLR context and the development and evaluation of management strategies ... topical issues. The aim of these workshops would be to bring together experts in biology, ecology ...
Meeting Document : SC-CAMLR-XXIV/BG/30 : Author(s): Delegation of Australia
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Survey database
exports data from their databases in CCAMLR format. It was also agreed that Members should consider the ... and submitted to the Secretariat. In addition, WG-FSA agreed that the Data Manager would develop a ... feed-back mechanism for correcting errors in the database, and Members were urged to provide updates ... errors in the database. The mechanism necessarily involves on-going participation by data owners. Members ...
Meeting Document : WG-FSA-03/7 : Author(s): Secretariat
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Status of the South Georgia subarea (48.3) on satellite monitoring of the sea surface temperature, December 1999–January 2000
data from vessels allow us to understand the hydrologic situation off South Georgia (Subarea 48.3) in ... . Analysis of the SST distribution in Subarea 48.3 developed by January, 2000 has revealed an unfavorable ... hydrologic situation for formation and maintenance of mass concentrations of krill (Euphausia superba) in ... South Georgia shelf on the east because there are no favorable conditions to form mass concentrations in ...
Meeting Document : WG-EMM-00/20 : Author(s): G. Vanyushin and A. Korobochka (Russia)
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CONTINUING CCAMLR’S FIGHT AGAINST IUU FISHING FOR TOOTHFISH EXECUTIVE SUMMARY OF THE REPORT BY TRAFFIC INTERNATIONAL AND WWF AUSTRALIA
(IUU) fishing, there remains evidence of IUU activities in the Convention area. This paper is the ... executive summary of a recent, soon to be published report produced by TRAFFIC International in conjunction ... -2007 with a view to provide an indication of the extent of the IUU catch. The report highlights that in ... estimates of IUU catch and to continue to improve the current MCS measures in order to minimise ...
Meeting Document : CCAMLR-XXVII/BG/38 : Author(s): Submitted by IUCN
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THE ISSUE OF NON-COMPLIANCE WITH CCAMLR TAGGING PROGRAM
Abstract: Under Conservation Measure 41-01 (Annex C- Tagging Program for Dissostichus spp. in ... Exploratory Fisheries), the flag States of fishing vessels participating in exploratory fisheries are ... by vessels operating in the exploratory fisheries” (CCAMLR-XXVI Report, paragraph 8.12). It is ... assessment of compliance with the CCAMLR tagging program based on information contained in the Fish Stock ...
Meeting Document : CCAMLR-XXVII/BG/22 : Author(s): Delegation of Australia
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Preliminary results of an age/length study of juvenile Notothenia rossii marmorata from Potter Cove, South Shetland Islands
Islands. Results from the analysis of both structures agreed in 95.5%. Likewise, the examination of ... otolith cross sections of chosen specimens confirmed in all the cases the age readings obtained from the ... respectively, which is well in accord with the known length-age distribution of juvenile specimens of the ... species in the fjord. Mean length data at age presented here were compared with published values for ...
Meeting Document : WG-FSA-90/09 : Author(s): E. Barrera-Oro and R. Casaux (Argentina)
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Influence of data quality and quantity from a multiyear tagging program on an integrated fish stock assessment
, particularly the effects of the size of tagged fish compared with the size of fish in the catch (tag size ... relatively large number of size classes, low recapture numbers collected in short tagging programs with a 100 ... % tag size-overlap were sufficient for robust and unbiased assessments. Particularly in the early stages ... -age compared with catch-at-length improved recruitment estimates and resulted in more conservative ...
Meeting Document : WG-FSA-13/P03 : Author(s): P. Ziegler